<template>
  <div class="appContent">
    <!-- 头部header 区域 -->
   <mt-header fixed title="Vue移动项目LHR">
     <span slot="left" @click="goBack" v-show="flag">
       <mt-button icon="back">返回</mt-button>
     </span>
   </mt-header>


    <!-- 中间的路由router-view区域 -->
     <transition>
        <router-view></router-view>
     </transition>

    <!-- 底部footer区域 -->
     <nav class="mui-bar mui-bar-tab">
			<router-link class="mui-tab-item-lhr" to="/home">
				<span class="mui-icon mui-icon-home"></span>
				<span class="mui-tab-label">首页</span>
			</router-link>
			<router-link class="mui-tab-item-lhr" to="/member">
				<span class="mui-icon mui-icon-contact"></span>
				<span class="mui-tab-label">会员</span>
			</router-link>
			<router-link class="mui-tab-item-lhr" to="/shopcar">
				<span class="mui-icon mui-icon-extra mui-icon-extra-cart"><span id="badge" class="mui-badge">{{ $store.getters.getAllCount }}</span></span>
				<span class="mui-tab-label">购物车</span>
			</router-link>
			<router-link class="mui-tab-item-lhr" to="/search">
				<span class="mui-icon mui-icon-search"></span>
				<span class="mui-tab-label">搜索</span>
			</router-link>
		</nav>
  </div>
</template>

<script>
export default {
  data(){
    return {
      flag: false
    }
  },
  methods:{
    goBack(){
      this.$router.go(-1);
    }
  },
  watch: {
    "$route.path": function(newVal){
      if(newVal == '/home'){
        this.flag = false;
      }else {
        this.flag = true;
      }
    }
  }
}
</script>


<style lang="scss" scoped>
   * {
     margin: 0;
     padding: 0;
   }
   .mint-header {
     z-index: 99;
   }
   .appContent {
     background-color: #fff;
     padding-top: 40px;
     overflow-x: hidden;
   } 
   .v-enter {
     opacity: 0;
     transform: translateX(100%)
   }
   .v-leave-to {
     opacity: 0;
     transform: translateX(-100%);
     position: absolute;
   }
   .v-enter-active,
   .v-leave-active {
      transition: all 0.5s ease;
   }
  //  修改.mui-tab-item有关的类才能能点击 不然和引入的js有冲突
   .mui-bar-tab .mui-tab-item-lhr.mui-active {
    color: #007aff;
   }
   .mui-bar-tab .mui-tab-item-lhr {
    display: table-cell;
    overflow: hidden;
    width: 1%;
    height: 50px;
    text-align: center;
    vertical-align: middle;
    white-space: nowrap;
    text-overflow: ellipsis;
    color: #929292;
}
.mui-bar-tab .mui-tab-item-lhr .mui-icon {
    top: 3px;
    width: 24px;
    height: 24px;
    padding-top: 0;
    padding-bottom: 0;
}
.mui-bar-tab .mui-tab-item-lhr .mui-icon~.mui-tab-label {
    font-size: 11px;
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
}
</style>
